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252321032 = 23155920231
BaseRepresentation
bin11110000101000…
…01110100001000
3122120210020101102
433002201310020
51004043233112
641012040532
76152456555
oct1702416410
9576706342
10252321032
1111a479587
1270603148
1340375cb2
1425721a2c
1517241bc2
hexf0a1d08

252321032 has 16 divisors (see below), whose sum is σ = 473428800. Its totient is φ = 126073360.

The previous prime is 252320951. The next prime is 252321061. The reversal of 252321032 is 230123252.

252321032 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 252320995 and 252321013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2357 + ... + 22587.

It is an arithmetic number, because the mean of its divisors is an integer number (29589300).

Almost surely, 2252321032 is an apocalyptic number.

It is an amenable number.

252321032 is a deficient number, since it is larger than the sum of its proper divisors (221107768).

252321032 is a wasteful number, since it uses less digits than its factorization.

252321032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21796 (or 21792 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 252321032 is about 15884.6162056249. The cubic root of 252321032 is about 631.9040673168.

Adding to 252321032 its reverse (230123252), we get a palindrome (482444284).

The spelling of 252321032 in words is "two hundred fifty-two million, three hundred twenty-one thousand, thirty-two".

Divisors: 1 2 4 8 1559 3118 6236 12472 20231 40462 80924 161848 31540129 63080258 126160516 252321032